3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $kw = "1 2 3 4 5 6 7 8 9 0 "; var_export(preg_match('/^((?!([\w\d]+[^\w\d]){11,}).)*$/u', $kw));
based on dolqO

Shows result from various feature-branches currently under review from the php developers. Contact me to have additional branches featured.

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